Improvement in compositions for lubricating journals



RUDOLPHO. KLEIN, or s1; LOUIS, MISSOURI.

Letters Patent No. 113,176, dated March 28, 1871.

IMPROVEMENT lN COMPOSlTtONS FOR LUBRICATING JOURNALS.

The Schedule referrer}. to in these Letters Patent and making part of the same.

I To all whom it may concern:

Be it known that I, RUDOLPH G; Knnm, of St. Louis, iuthe county of St. Louis and in the State of Missouri, have invented a certain new and useful Lubricant for \Vagon-Axles and do hereby declare that the following is a full, clear, and exact description thereof.

My invention belongs to a class of lubricants used upon the bearings of wagon-axles; and

It consists in the l1ereinafter-described compound, substantially as shown and described.

In the preparation of my lubricantl take two-thirds of a pound of hogs lard, one-third of a pound of black lead, one-fourth of a pound of resin, and one-eighth of apound of mercury, and. mix them thoroughly together.

The action of the lard and black lead is to decrease the friction between the bearing surface. 'lheresinv increases the adhesiveness of the mixture, so as to prevent it from melting and wasting away in summer, while the mercury, operating with the land, causes a continuous discharge of electricity from said bearing- 

